JPS51142176A - Method of drilling a small hole - Google Patents

Method of drilling a small hole

Info

Publication number
JPS51142176A
JPS51142176A JP6606075A JP6606075A JPS51142176A JP S51142176 A JPS51142176 A JP S51142176A JP 6606075 A JP6606075 A JP 6606075A JP 6606075 A JP6606075 A JP 6606075A JP S51142176 A JPS51142176 A JP S51142176A
Authority
JP
Japan
Prior art keywords
small hole
drilling
drill
exact
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6606075A
Other languages
Japanese (ja)
Inventor
Takeo Tokiwa
Chiyomatsu Akimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP6606075A priority Critical patent/JPS51142176A/en
Publication of JPS51142176A publication Critical patent/JPS51142176A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make it possible to drill an exact and accurate small hole through a circuit board plate for an electronic equipment.
COPYRIGHT: (C)1976,JPO&Japio
JP6606075A 1975-06-03 1975-06-03 Method of drilling a small hole Pending JPS51142176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6606075A JPS51142176A (en) 1975-06-03 1975-06-03 Method of drilling a small hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6606075A JPS51142176A (en) 1975-06-03 1975-06-03 Method of drilling a small hole

Publications (1)

Publication Number Publication Date
JPS51142176A true JPS51142176A (en) 1976-12-07

Family

ID=13304929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6606075A Pending JPS51142176A (en) 1975-06-03 1975-06-03 Method of drilling a small hole

Country Status (1)

Country Link
JP (1) JPS51142176A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107821A (en) * 1982-12-10 1984-06-22 Fujitsu Ltd Pretreatment method for drilling processing
JPS60155307A (en) * 1984-01-20 1985-08-15 Fujitsu Ltd Drilling method of printed circuit board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107821A (en) * 1982-12-10 1984-06-22 Fujitsu Ltd Pretreatment method for drilling processing
JPS60155307A (en) * 1984-01-20 1985-08-15 Fujitsu Ltd Drilling method of printed circuit board

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